Table 2.

Outcome of the investigations of 231 incidentalomas in the study population (n = 194)

Diagnosis	n a	Comment	Outcome related to discovered incidentaloma
BENIGN NON-HYPERFUNCTIONING TUMOURS	160 (94%)		N/Ab
Adenomas	154 (91%)		N/A
Myelolipoma	3 (1.8%)		N/A
Ganglioneuroma	1 (0.6%)	Diagnosis through PADc.	Surgery.
Hemorrhagic cyst	1 (0.6%)	Diagnosis through PAD.	Surgery.
Hematoma	1 (0.6%)
Malignant or functioning tumours	3 (1.8)		N/A
Cortisol hypersecretion	2 (1.2%)	1 patient underwent surgery due to Cushings syndrome, and PAD showed adrenal hyperplasia.	Surgery (n = 1).
		1 patient s were diagnosed with subclinical Cushing but not judged to benefit from surgery and therefore conservatively treated	Conservative treatment (n = 1)
Pheochromocytoma	1 (0.6%)	Confirmed with PAD	Surgery.
No adrenal tumour	6 (3.5%)	Further investigation diagnosed: sarcoma (n = 1), renal cyst (n = 1), ventricular gut diverticulum (n = 1), pleating of the tail of pancreas (n = 1), accessory spleen (n = 1), and no tumour-like structure was found in the adrenal CT (n = 1).	Referred to another department (n = 1, Department of Sarcoma).
			Surgery due to large tumour size, where PAD showed an accessory spleen (n = 1).
Unknown	62 (N/A)	Unknown diagnosis due to absence of adequate follow-up (n = 43), death (n = 10) the patient declining further investigation (n = 6), or still ongoing investigations (n = 3)	N/A

^aGiven percentages are based on patients with a known diagnosis (n = 170).

^bNon Applicable.

^cPathological Anatomic Diagnosis.